-- Judy Jernstedt, a UC Davis professor of agronomy and range science, will head the Botanical Society of America, a professional society with more than 2,500 members in 50-plus countries. Jernstedt was elected president-elect and secretary at the group's annual meeting in Portland. She will serve on the society's executive committee for one year, serve as a member of the Council of Scientific Society Presidents for three years, present the banquet address at the 2001 annual meeting in Albuquerque and then assume the role of president.